package 多线程案例;

//ReentrantLock类，具有和锁类似的效果
import java.util.concurrent.locks.ReentrantLock;

public class Demo_12 {
    static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        ReentrantLock reentrantLock = new ReentrantLock();

        Thread t1 = new Thread(()->{
            for (int i = 0; i < 500000; i++) {
                reentrantLock.lock();
                count++;
                reentrantLock.unlock();
            }
        });
        t1.start();
        Thread t2 = new Thread(()->{
            for (int i = 0; i < 500000; i++) {
                reentrantLock.lock();
                count++;
                reentrantLock.unlock();
            }
        });
        t2.start();
        t1.join();
        t2.join();

        System.out.println("count=: "+count);
    }
}
